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Communication Dans Un Congrès Année : 2015

Shear strength of rock-concrete interfaces from direct shear tests: The influence of free spacing between encapsulating material

Résumé

The design of rock foundations may need to evaluate shear strength of rock-concrete interface by performing laboratory direct shear tests. A series of tests were carried out on specimens for different values of the spacing free of encapsulating material about the shear plane and different values of normal stress. Different kinds of failure were observed and not necessarily at the rock-concrete interface. The spacing free of encapsulating material appeared to be of significant influence on the test results. A mechanical analysis is presented which illustrate the influence of the loading conditions in the direct shear box on the failure mechanism.
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Dates et versions

hal-01238201 , version 1 (04-12-2015)

Identifiants

  • HAL Id : hal-01238201 , version 1

Citer

Marion Bost, Jean-Pierre Rajot, Hussein Mouzannar. Shear strength of rock-concrete interfaces from direct shear tests: The influence of free spacing between encapsulating material. 13th International Congress on Rock Mechanics ISRM, May 2015, MONTREAL, Canada. 11 p. ⟨hal-01238201⟩
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